drm: Clean up planes in atomic commit helper failure path

If waiting for fences fails for blocking commits, planes must be cleaned
up before returning.

Cc: stable@vger.kernel.org
Fixes: f6ce410a59a4 ("drm/fence: allow fence waiting to be interrupted by userspace")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170102231427.7192-1-laurent.pinchart@ideasonboard.com

path: root/tools/lib/lockdep/tests/ABBA.c

#include <liblockdep/mutex.h>
#include "common.h"

void main(void)
{
	pthread_mutex_t a, b;

	pthread_mutex_init(&a, NULL);
	pthread_mutex_init(&b, NULL);

	LOCK_UNLOCK_2(a, b);
	LOCK_UNLOCK_2(b, a);
}